Please tell me the answer

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each,and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent.how much did jame pay at the end?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse